how often can you have vitamin b12 injections I Take Injections? Vitamin B12 Injections - Vie

Administration procedure and precautions Vitamin B12 injections are usually given intramuscularly, directly into a muscle, such as the gluteal muscle, deltoid muscle, or thigh

The manufacturer explicitly advises keeping the vial in the carton to shield it from light

What it is / mechanism 5-Amino-1MQ is a selective, cell-permeable inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme that methylates nicotinamide (consuming the methyl donor SAM) to form 1-methylnicotinamide, diverting nicotinamide away from the NAD+ salvage pathway

However, if your body has trouble absorbing B12 due to digestive issues, pills may not be as effective